Take a device that has no connection to the internet, like a fridge, or a calculator, a lamp, or an umbrella.
Modify it to make it have an internet connection.
Now you have an “internet of things”, even if that “thing” is simply an umbrella with a raspberry pi unit attached to it.
Why do we do this? Data collection.
What kind of data? All kinds of data.
[What is the purpose for it? Well, that’s really the question, now, isn’t it?](https://www.youtube.com/watch?v=_AlcRoqS65E)
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